Home / 31,405.27-47,114.40-10,346.59

Finding the Fourth Proportional to 31,405.27, 47,114.40 and 10,346.59

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Solution

The fourth proportional to 31,405.27, 47,114.40 and 10,346.59 is: 15,522.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,405.27 : 47,114.40 = 10,346.59 : x
  2. Step 2: Convert to fraction form
    31,405.27/47,114.40 = 10,346.59/x
  3. Step 3: Cross multiply
    31,405.27x = 47,114.40 × 10,346.59
  4. Step 4: Simplify right side
    31,405.27x = 487,473,328.16
  5. Step 5: Solve for x
    x = 487,473,328.16/31,405.27
  6. Step 6: Final answer
    x = 15,522.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.